Inventor · disambiguated record
John L. Ferri
Also filed as: FERRI JOHN L
6 granted patents·94 citations·filing 1974–1985
82Inventor score
Top patents by PatentIndex Score
6 records- 0194US3974389ATerbium-activated rare earth oxysulfide X-ray phosphorsGTE SYLVANIA INC·Filed 1974·Granted Aug 10, 1976·65 cites·8 claims
- 0273US3948798ATitanium-activated lanthanum oxysulfide phosphor and method of preparing sameGTE SYLVANIA INC·Filed 1974·Granted Apr 6, 1976·14 cites·8 claims
- 0360US4113648ATerbium-activated rare earth oxysulfide phosphors with controlled decayGTE SYLVANIA INC·Filed 1974·Granted Sep 12, 1978·8 cites·3 claims
- 0429US4781575ATemperature compensator for pressure operated fuel regulatorGTE PROD CORP·Filed 1983·Granted Nov 1, 1988·3 cites·6 claims
- 0528US4631022AHeat recuperator with compensator for pressure operated fuel regulatorGTE PROD CORP·Filed 1983·Granted Dec 23, 1986·3 cites·4 claims
- 0623US4611984ATemperature compensator for pressure operated fuel regulatorGTE PROD CORP·Filed 1985·Granted Sep 16, 1986·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →